Solution to overcome the issue. When a SQL statement is executed in Oracle, the temporary context area is created. SESSION_CACHED_CURSORS lets you specify the number of session cursors to cache. 2. For example, if processes are 100, then sessions will be 115 and transactions will be 127. How it works. MODE - Oracle Identity & Access Management The cursor count is per session. 2. This test monitors the number of open cursors for a database instance. Oracle Version is 7.0 . It is important to set the value of OPEN_CURSORS high enough to prevent your application from running out of open cursors. The session_cached_cursors parameter has a default value of 50, and increasing the value of session_cached_cursors will requires a larger shared_pool_size to cache the cursors. Well, but you may not operate thousands of PDBs within one container databases - yet. Oracle Blog » Blog Archive ORACLE DBA - Mir Sayeed Hassan A cursor is a pointer to this context area. My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts. If not increase it, otherwise the DB will fail to start. List of 10 Must Know Oracle Database Parameters for ... - Rajat DBA'S Blog To keep a renegade session from filling up the library cache, or clogging the CPU with millions of parse requests, we set the parameter OPEN_CURSORS. should i add the following Line open_cursors , also how should determine whats the value of open_cursors . Oracle 12.2.0.1 and higher: Set _cursor_obsolete_threshold to old default. oracle - How to change SESSION_CACHED_CURSORS for all sessions ... BMC recommends that you create two tablespaces, a main and a temporary tablespace. Creating tablespaces. ORACLE-BASE - Oracle Enterprise Manager Cloud Control 12c Release 1 ... Example 2 of Cursor Parameter with Default . For one requirement we have created 'n' number of db links. Your site may require a value at least in the hundreds if not the 1000s due to number of simultaneous connections and the types of queries processed. ORA-01000: maximum open cursors exceeded - DBAORA ALL ABOUT ORACLE: ORA-01000: maximum open cursors exceeded TOP 30 Oracle Performance Interview Questions - Updated 2022 The maximum number of open cursors in an oracle database can be determined by the following query. Default value assigned is 300. Login as sysdba. This is a case insensitive parameter. Check the value of Open Cursors parameter. 1.16-Increase sessions to 800,increase process to 1000,increase cursors to 900 .